Question

9xsquare -16ysquare evaluate using identities​

Answer 1

Answer:

$9 {x}^{2} - 16 {y}^{2} \\ \\ = ( {3x)}^{2} - {(4y)}^{2} \\ \\ using \: formula \\ \\ {a}^{2} - {b}^{2} \\ \\ = (a + b)(a - b) \\ \\ we\: get\\ \\(3x + 4y)(3x - 4y)$

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Answer 2

Answer:

(3x + 4y) (3x - 4y)

Step-by-step explanation: